| Model | HD-VPM2T22 | ||
| Working pressure: | 8bar | 10bar | 12bar |
| Air Delivery (m³/min) | 4.1 | 3.5 | 3.2 |
| Air Delivery (CFM) | 145 | 124 | 113 |
| Motor power | 22KW/30HP | ||
| Power voltage: | 380V/50hz/3phase (different voltage is available) | ||
| Compressor type: | Dual Stage Compression PM VFD Screw Air Compressor | ||
| Cooling Mode | Air cooling | ||
| Starting mode | Variable Frequency Start | ||
| Ambient temperature | -5℃ ~ +45℃ | ||
| Discharge temperature | ≤ Ambient temperature+15℃ | ||
| Dimension (mm) | 1500*1030*1250 | ||
| Product display: |


| Product advantage: |
1.Oil cooling high efficiency permanent magnet motor.
2.Insulation grade F, protection grade IP54,adapt to the high dusty environment. IE4 Efficiency motor efficiency.
3.Max.RPM 1500,low noise, high efficiency, better life-span.
4.Split design, easy maintenance. Easy for installation and service.
5.Without gearbox design, motor is connected directly with rotor through the coupling, high transmission efficiency.
6.Low temperature rise, independent cooling fan design, so that the motor cooling is not affected by the speed regulation.
7.With PT100 temperature protection switch to avoid high temperature degaussing.
8.Large speed range, high precision and large adjustment range.
9.Premium Magnetic material resist more than 180 degree temp.
10.Fantastic Energy Saving, save up to more than 30-40%.
Screw air compressor
With the development of modernization of coal mines, continuous updates and advancements of mining equipment, reliability, ease of operation, monitoring, and ease of maintenance are the most basic requirements. Therefore, it is necessary to understand the mechanism and structure of screw air machines. On the basis of reasonable adjustment of air compressors, and seeking safer and more reliable detection and control new technologies and new methods, the safety level of coal mines is continuously improved. The air compressor is the power source of coal mine tunneling and anchor spray direct call. The main working mode of the screw air compressor is start, stop, load and unload. The air intake is equipped with a loading valve, and the inlet is controlled by the loading solenoid valve The opening and closing of the valve. When the air compressor is running, if the exhaust pressure is lower than the lower limit of the set target pressure, the air compressor controller energizes the loading solenoid valve, opens the inlet valve, and the air compressor is in full load loading state; if the exhaust pressure Above the upper limit of the set target pressure, the air compressor controller orders the loading solenoid valve to lose power, thereby closing the inlet valve, and the air compressor is in a no-load unloading state. the best compressor
At this time, the air compressor is actually running idling. Screw air compressors have superior and reliable performance, good economic benefits and good development prospects, and are worthy of popularization and application.
Regular maintenance and maintenance of air compressors
In order to ensure the normal and reliable operation of the air compressor and ensure the service life of the unit, a detailed maintenance plan must be formulated, and manned operations, regular maintenance, and regular inspection and maintenance must be performed to keep the air compressor clean, oil-free, and dirt-free. the best compressor
Clean cooler for air compressor
When the air compressor runs for about 2000 hours, in order to remove the dust on the heat dissipation surface, open the cooler purge hole cover on the fan bracket, and blow the cooler with a dust blowing air gun until the dust on the heat dissipation surface is cleaned. If the heat dissipation surface is very dirty and difficult to clean, you can remove the cooler, pour out the oil in the cooler and seal the four inlets and outlets to prevent dirt from entering, and then use compressed air to blow off the dust on both sides or use water Rinse, and finally blow dry the water stains on the surface. Put it back in place. the best compressor
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